xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: remove bh disabling around percpu_counter accesses

Browse Source 
Shaohua Li made percpu_counter irq safe in commit 098faf5805
("percpu_counter: make APIs irq safe")

We can safely remove BH disable/enable sections around various
percpu_counter manipulations.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2017-01-20 05:06:08 -08:00
committed by David S. Miller
parent 0a327889f6
commit c2a2efbbfc
6 changed files with 3 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/ipv4/proc.c
View File

@@ -57,10 +57,8 @@ static int sockstat_seq_show(struct seq_file *seq, void *v)
unsigned int frag_mem;
int orphans, sockets;
local_bh_disable();
orphans = percpu_counter_sum_positive(&tcp_orphan_count);
sockets = proto_sockets_allocated_sum_positive(&tcp_prot);
local_bh_enable();
socket_seq_show(seq);
seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %ld\n",